On Sunday 06 March 2005 07:01, Jeff Dike wrote:
> [EMAIL PROTECTED] said:
> > Is this like it is implemented now?
>
> Yup.  In both the AIO and non-AIO case, there is a separate thread to which
> you send IO requests, and at some later point, UML gets interrupted with
> the results.
To answer another question from Sven: since we are using a separate thread, 
there is no need for context switches.

Or more technically, there is no need for TLB flushing, i.e. "memory 
switches"; a context switch means a switch of registers (which aren't so few) 
and such things, and is performed between any two different code paths, 
including two threads.
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade





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